Denon DN-D6000 Dual DJ CD and MP3 Player Professional dual CD/MP3 player; Quick loading slot-in drives; Two seamless loops (CD or MP3) Two hot starts (A1 and A2) can be made on-the-fly and used as a stutter point as well CD Text support (with scrolling display for long names); MP3 file search system (locate your files by name fast and easy) 15 second onboard sampler with extensive edit options; 3-way BPM counter (auto, manual tap, manual value) 4 built-in effects: flanger, filter (high-mid-low), echo and worlds first Echo/Loop;